Answer:
D. they do not have stems, roots and leaves
Algae are not considered as plants as they do not have roots, stems, and leaves.
What are algae?They are a group of predominantly photosynthetic, aquatic, and nucleus containing organisms, which are devoid of the following things:
stemstrue rootsleaves andother unique multicellular reproductive compositions of plantsAlgae comprises chloroplasts and generate food by the process of photosynthesis. However, they are not considered as plants, as they are devoid of several other compositions of true plants like roots, leaves, or stems.
Thus, the correct answer is option D.
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what would happen to the fox population if the mouse population increases?
They would get more meals.
Sorry if this is incorrect.
If the mouse population increases, the fox population is likely to increase as well since foxes rely on mice as a major food source. This is because with more mice, the foxes will have more food to hunt and will be able to reproduce more successfully.
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It is question that you are trying to seek answer or solve in a scientific method?a. hypothesisb. materialsc problemd. variables
Option a. hypothesis is question that you are trying to seek answer or solve in a scientific method.
A theory proposed to explain a fact is known as a hypothesis. A hypothesis cannot be a research hypothesis unless it can be tested using the research methodology. Research hypotheses are frequently founded on earlier results that the existing body of knowledge is unable to adequately address.
The variable which the scientist modifies or manipulates in an investigation is known as the independent variable. The observed reaction is the dependent variable. The dependent variable is based on the variation in the independent variable, to put it another way.
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What talents do biomedical engineers need?
The talents that a biomedical engineer requires are creativity, patience, good communication, analytical and problem solving skills.
Biomedical engineering basically involves the application of various principles of engineering and also design concepts in the field of biology and medicine. It focuses on developing more integrated understanding on how different organisms function, improving the quality of human life, developing instruments which help in diagnosis and treatment of diseases etc.
A biomedical engineer must possess certain talents and skills like problem solving, calculative and analytical skills. They should also be creative and have good communication skills with patience and knowledge about how to design products which can help patients in the field of biology and medicine.
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:
Which best describes a correct order of the water
cycle?
A. precipitation, runoff, condensation,
evaporation, precipitation
B. precipitation, runoff, evaporation,
condensation, precipitation
C. precipitation, evaporation, condensation,
runoff, precipitation
D. precipitation, evaporation, runoff,
condensation, precipitation
!
Answer:
B. precipitation, runoff, evaporation, condensation, precipitation.
Explanation:
A is incorrect because in order for the water to get to the point of condensation, it needs to be evaporated into the clouds. B is correct because the first thing that needs to happen is for precipitation to occur. Then, the precipitation can become runoff and wait in a puddle, lake, ocean, etc. The precipitation is then evaporated into the clouds, where it condenses and the process starts all over. C is incorrect because in order for the precipitation to be evaporated again, it needs to run down the sides of things and gather somewhere to wait. Then, it can be evaporated. D is incorrect because it is impossible for precipitation to be evaporated before it can be one runoff. Therefore, the order is wrong.
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HELP FASTT!!!! GIVING BRAINLIEST IF THERES MULTIPLE ANSWERS!!!! What types of living things were prevalent during the Mesozoic Era? Select all that apply.
flowering plants
humans
marsupials
large reptiles
the answer is large reptiles
Explanation:
When the first dinosaurs, marine reptiles, lizards and tortoises appeared mammals appeared during the Triassic but they remianed unsignficant until their competitors tje dinosaurs became extinct at the end od cretaceous they all ruled the land and air
What are the structures that make up a DNA molecule and where does your body get all the molecules and compounds needed to make DNA structures in all of your body cells?
Explain.
Answer:
Nucleotides are arranged in two long strands that form a spiral called a double helix. The structure of the double helix is somewhat like a ladder, with the base pairs forming the ladder's rungs and the sugar and phosphate molecules forming the vertical sidepieces of the ladder.
If something stands between you and your success, move it. What does this quote mean
Answer: I think it basically means that if something is stopping you from being the best version of yourself or being successful then remove that thing from your life so you can be the best or be successful. Take control of your life and don't waste any opportunities!
Who was Charles Darwin and why was he important to the field of biology?
Darwin's greatest contribution to science is that he completed the Copernican Revolution by drawing out for biology the notion of nature as a system of matter in motion governed by natural laws. With Darwin's discovery of natural selection, the origin and adaptations of organisms were brought into the realm of science.
What is the social science that studies society and social behavior?
Sociology is a social science that focuses on society and social behavior.
Sociology, the social science that studies human societies, their interactions, and the processes that maintain and transform them. This is done by examining the dynamics of social constructs such as institutions, communities, population groups, gender, race and age groups. Sociology also studies social status or stratification, social movements and social change, and social disruption in the form of crime, deviation, and revolution. Social life overwhelmingly regulates human behavior, largely because humans lack the instincts that guide most animal behavior. Therefore, people rely on social institutions and organizations to inform their decisions and actions.
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Answer: Sociology is a social science that focuses on society and social behavior.Sociology, the social science that studies human societies, their interactions, and the processes that maintain and transform them. This is done by examining the dynamics of social constructs such as institutions, communities, population groups, gender, race and age groups. Sociology also studies social status or stratification, social movements and social change, and social disruption in the form of crime, deviation, and revolution. Social life overwhelmingly regulates human behavior, largely because humans lack the instincts that guide most animal behavior. Therefore, people rely on social institutions and organizations to inform their decisions and actions.
Explanation:
21 Steps of Circulation
Blood is pumped into the pulmonary arteries in the lungs from the right ventricle after entering the right atrium from the body for Circulation.
Twenty one steps involved in Circulation:1. Superior/Inferior Vena Cava
2. R Atrium
3. Tricuspid Valve
4. R Ventricle
5. Pulmonary Valve
6. Pulmonary Arteries
7. Pulmonary Arterioles
8. Pulmonary Capillaries
9. Pulmonary Venules
10. Pulmonary Veins
11. L Atrium
12. Mitral Valve
13. L Ventricle
14. Aortic Valve
15. Aorta
16. Systemic Arteries
17. Systemic Arterioles
18. Systemic Capillaries
19. Systemic Venules
20. Systemic Veins
21. Superior/Inferior Vena Cava
After absorbing oxygen, blood returns to the heart through the pulmonary veins, passing through the left atrium, left ventricle, and aorta before leaving the body through the tissues.
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Which characteristic of an extinct organism makes it best suited to be used as an index fossil?
a. an organism whose fossils show evolutionary change over time .
b. an organism that was common only in specific types of environments
c. an organism that was commonly fossilized during a specific period of time
d. an organism whose fossils are found in rocks ranging in age from ancient to recent times
Characteristic of an extinct organism makes it best suited to be used as an index fossil is an organism that was commonly fossilized during a specific period of time.
An index fossil is a fossil that is used to help determine the age of rock layers and the relative ages of fossils found in different layers. Index fossils are typically chosen because they have a wide geographical distribution, they lived during a specific time period, and they are easily recognizable. Since the fossilization process is rare and the preservation of fossils is not guaranteed, the best index fossils are those that were commonly fossilized during a specific period of time, as it is more likely that these fossils will be found in rocks of that age, and thus can be used to help date the rock layers.
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How to tell the difference between fertilized and unfertilized eggs?
After an egg has been cracked, looking at the yolk will show whether it has been fertilized. With unfertilized eggs, a white dot might be visible, but in fertilized eggs, a concentric circle will be visible.
Without shattering the eggs, how can you distinguish between fertilized and unfertilized ones?If the egg is fertile, you should notice a black area in the center of the egg and some veins that resemble spider webs starting to form around it. If it's not, you should only be able to make out the outline of the egg's yellow yolk.
How can you tell if an egg from a chicken is fertilized?The germinal disc, a little white dot on the yolk surface of all eggs, is present. It is a collection of cells that, if the egg is fertilized, will grow into a chick.
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Which technique would be the best way for a geologist to get a sense of the history of an area?
O examining the relationships and patterns in rock layers
O looking for and examining the oldest rocks in the area
O observing current geological features and characteristics
O surveying the overall shape of the landscape
Answer: B
Why: because History is the study of past events, so it makes sense to find the oldest rocks in the area, because the older that things are, the most history that they have.
A would not be correct because patterns are not history.
C would not be correct because current features are not history, that is observing things in the present.
D would not be correct because shape has nothing to do with history.
What 7 traits did Mendel study in peas?
Seven traits that Gregor Mendel studied in peas include:
pea shape (wrinkled or round),pea color (yellow or green),flower color (white or purple),pod shape (inflated or constricted),pod color (yellow or green),position of flowers (terminal or axial), andplant size (dwarf or tall).Gregor Mendel (20 July 1822–6 January 1884) was an Austrian biologist that was widely known for his pea plant experiments. Mendel is often called the father of genetics.
He studied the inheritance of seven different traits in peas, which included height, flower and seed colors, and seed shape. To do so, Mendel first established pea lines with two different forms of a trait, such as yellow vs. green color. For generations, Mendel grew these lines until they were pure-breeding (which meant they always produced offspring identical to the parent), and then he bred them to each other and observed how the traits were inherited.
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A set of biology exam scores are normally distributed with a mean of 707070 points and a standard deviation of 666 points. Let x=x=x, equals the score on a randomly selected exam from this set. Find p(x<73)p(x<73)p, left parenthesis, x, is less than, 73, right parenthesis. You may round your answer to two decimal places.
The answer is P(x < 73) = 0.6915
Table Z is a table that contains area values under the normal curve. A data distribution is said to be normal if it resembles a bell shape, where the mean value will be close to the median value. In addition, data with large or small values are relatively few or clustered in the middle.
Here given a mean of 70 points and a standard deviation of 6 points. X represents the exam scores that are randomly selected from this set
Z-score, for randomly selected exam score x:
P(x <73) = P(x-70)/6 < (73-70)/6
P(x <73) = P(2 < 1/2) → find the value table Z
P(x <73) = 0.6915
Correct writing of questions:
A set of biology scores are normally distributed with a mean of 70 points and a standard deviation of 6 points. Let X= equals the score on a randomly selected score from this set.
Find P(X<73)
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Exactly 14. 5 moles of co2 are produced from burning how many moles of ch4 in excess oxygen?.
From the combustion results 14.5 mol of CH₄ in excess oxygen.
The combustion reaction is an example of an exothermic reaction because the heat generated from the combustion process is transferred from the system to the surroundings. In the combustion reaction that occurs in fire is the release of energy to the surroundings (producing heat) which causes the surrounding air (environment) to become hotter.
The balanced reaction shows that for every molecule of CH₄ consumed, one molecule of CO₂ is formed. Exactly 14.5 moles of CH₄ are needed for 14.5 moles of CO₂. Note that for every molecule of CO₂ produced, only 2 molecules of O₂ are needed.
CH₄ + 2O₂ → CO₂ + 2H₂O
You need 14.5 x 2 = 29 moles of O₂.
So, in this question, we get an excess of O2.
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Looking at the weather map, predict what weather would be happening in Nashville over the next couple days
Question 4 options:
Warm air moving from the south will cause several days of warm weather
Clear cold weather for several days
Rainy weather first, followed by clear skies
Rain and snow for several days
By looking at the weather map, a prediction of the weather which would be happening in Nashville over the next couple days include the following: C. Rainy weather first, followed by clear skies.
What is an occluded front?In Geography and Meteorology, an occluded front can be defined as a composite weather front that is specifically formed during cyclogenesis, which eventually causes a cold front to overtake a warm front or form over warm water and thereby, forcing it aloft with respect to surrounding air masses.
Since Nashville is closer to the cold front line as illustrated in the weather map shown in the image attached below, we can reasonably infer and logically deduce that this geographical region would experience a rainy weather first, and then followed by clear skies because the jet stream moves downward.
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What happens once an item breaks through the surface tension of water?
A.
It sinks.
B.
It floats.
C.
It becomes hot.
D.
It becomes cold.
Where will nearly all of the further human population growth take place in the world? what is a foreseeable problem with this?
Answer:
Nearly all of this future growth will occur in the 'South'—i.e. Africa, Asia (excluding Japan, Australia and New Zealand), and Latin America—where population size is projected to increase from 5.3 to 7.9 billion between 2005 and 2050
More than half of global population growth between now and 2050 is expected to occur in Africa. Africa has the highest rate of population growth among major areas. The population of sub-Saharan Africa is projected to double by 2050.
Explanation:
Global population growth and the destructive consumption habits of high-wealth countries put pressure on biodiversity and human communities, exacerbating food and water shortages, reducing resilience in the face of climate change, and making it harder for vulnerable groups to rise out of intergenerational poverty.
what energy carrier compound is found in all living systems
The energy carrier found in all living systems is Adenosine Triphosphate (ATP).
What is Adenosine triphosphate?ATP is the direct source of energy for all metabolic activities in the cell. The energy bound in ATP comes from the energy released in the breakdown of organic compounds in cells, namely in the process of respiration.
ATP is formed from the process of glycolysis that takes place in the mitochondria. Mitochondria are cell organelles that have an internal membrane where glycolysis takes place. Glycolysis is the breakdown reaction of glucose from food into pyruvic acid and ATP. As an energy carrier, ATP is also found in many mitochondria.
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Which type of macromolecule is constructed of long chains of amino acids?
O proteins
O nucleic acids
O lipids
O carbohydrates
The fact that sperm whales can dive to depths of 7,000 feet illustrates that
some sea creatures have adapted to hydrostatic pressure.
there is no food for sperm whales at the surface level of the ocean.
the sperm whale’s prey cannot survive at depths lower than 7,000 feet.
whales have adapted to pressure better than any other creature in the ocean.
The fact that sperm whales can dive to depths of 7,000 feet illustrates that some sea creatures have adapted to hydrostatic pressure. Thus, the correct option for this question is A.
What are the characteristics of sperm whales?Sperm whales are mostly dark grey, though some whales have white patches on the belly. They are the only living cetacean that has a single blowhole asymmetrically situated on the left side of the crown of the head.
The heads of sperm whales are extremely large, accounting for about one-third of their total body length. The one common theory is that the fluid that represents the hardens to wax at the time of cold it helps the whale alter its buoyancy due to this it can dive deep and rise again. This is due to the fact known as hydrostatic pressure.
Therefore, the fact that sperm whales can dive to depths of 7,000 feet illustrates that some sea creatures have adapted to hydrostatic pressure. Thus, the correct option for this question is A.
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Part E: Estimate Greenhouse Gas Emission
You’ll design your eco-friendly home to reduce the use of carbon dioxide compared to the average home in the state. Estimate greenhouse gas emissions for your house. Use these three government tools to generate the data you need.
First, go to the US Energy Information Administration and click “Average monthly residential electricity consumption, prices, and bills by state.” Find your state and the average kilowatt-hours of electricity used per month in your state. Multiply that number by 12 to get the amount of energy used in one year.
Then visit the EPA's Greenhouse Gas Equivalencies Calculator and enter the kilowatt-hours of energy for one year into the “If You Have Energy Data” box. Select kilowatt-hours of electricity and click Calculate. The kilowatts converted into emissions equivalents (such as miles driven and average household energy). This information will give you a better perspective on the greenhouse gas emissions for the average home in your state.
Finally, click the EPA's Power Profiler and enter the ZIP code. Choose one of the electrical companies listed (any one will work) and press Enter. Scroll down to see how much of the energy in this ZIP code comes from renewable energy and nuclear energy (a nonrenewable, cleaner energy source) compared to fossil fuel sources (oil, coal, and gas). You’ll also see bar graphs that compare your ZIP code’s energy profile to the national average.
Based on the data you gathered, answer the following questions:
What conclusion can you draw about the emissions of greenhouse gases for the average home in your state or ZIP code? What factors do you think contribute to this emission rate?
How do the emissions in your ZIP code compare to greenhouse gas emissions across the nation? Even if it’s better than the national average, is there room for improvement?
The greenhouse gas is harmful for the earth's environment, and this happens when there is a maximum amount of carbon dioxide released to the atmosphere, which is caused by a lot of human usage of fossil fuels for electricity, etc.
What are the negative effects of green house gases?Several gases are released into the atmosphere, and as a result, the atmosphere warms, negatively impacting many living things such as animals and plants. To reduce the negative consequences of this warming, the emission of carbon dioxide should be decreased.
Hence, the greenhouse gas is harmful for the earth's environment, and this happens when there is a maximum amount of carbon dioxide released to the atmosphere, which is caused by a lot of human usage of fossil fuels for electricity, etc.
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If the P generation are constricted with genotype ss and smooth with genotype SS what texture will the genotype Ss be in the F1 generation?
If the P generation individuals are constricted with genotype ss while smooth individuals have genotype SS then the texture for the genotype Ss in the F1 generation cannot be determined because we need to know the dominance relationships between both alleles, which is achieved by crossing pure lines.
What are dominance relationships in a genetic cross?The dominance relationships in a genetic cross make reference to which allele is dominant in complete dominance cases.
Therefore, with this data, we can see that the dominance relationships in a genetic cross depend on the dominant allele gene variant.
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What are two issues biomedical engineers continue to struggle with?
Two issues biomedical engineers continue to struggle with are Coordinating equipment service schedules and getting support from the manufacturer if problems arise.
Government regulatory agencies have strict guidelines on how often and who is qualified to monitor, test, calibrate, and maintain medical devices. These activities should be performed in accordance with the manufacturer's recommendations and state and federal laws. Tracking maintenance requirements for each piece of equipment can be an overwhelming task, especially when biomedical engineers are tasked with maintaining equipment across multiple facilities.
Devices often fail in the worst cases. Some biomedical engineers have the expertise to diagnose and troubleshoot problems in the field, but others are not familiar enough with the equipment to do so effectively. In such cases, the technician should contact the manufacturer for assistance.
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Can someone help me before I leave class
Answer:
Explanation:
atp
Genes turn on or off to regulate the activity of :
a. differentiation
b. RNA
c. mutation
d. multifactorial disorders
Option c is Correct. To control the action of mutation, genes are switched on and off.
Genes can be activated and inactivated by each cell. This procedure, known as gene regulation, is crucial to healthy growth. Genes are switched on and off in various ways during development to give a brain cell, for instance, a different appearance and behavior from a liver cell or a muscle cell.
Cells can respond swiftly to environmental changes thanks to gene regulation. RNA switches, also known as riboswitches, control which genes are activated and deactivated in a manner like to a light switch. Although it might seem like a straightforward operation, biologists have been baffled by the inner workings of these switches for decades.
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how are genetically modified organisms used in biotechnology for medicine. please help me!
Answer:
Genetically modified organisms (GMOs) are used in biotechnology for medicine to produce therapeutic proteins, such as insulin and growth hormone, and to create genetically modified cells for use in gene therapy. Additionally, GMOs are also used in the production of vaccines.
Answer: How? I shall explain...
Explanation:
So Biotechnology is the mix of natural sciences and engineering sciences in order to achieve applying organisms, cells and organic matter for products and services.
Think about if someones DNA has malfunctioned and the scientists need to change it. They use bio-engineered cells to go in the nucleolus of the cell and edit the DNA. (To the best of my tiny knowledge)
Scientists can't perform molecular sized operations for cells and organisms, so they use bio-engineered cells to do it. (Tell me if I'm wrong)
They can also create situations in contained environments to experiment with modified cells to see the results.
Question 3 (2 points) How does Sally fail Esperanza in the vignette "Red Clowns"?
A.) Sally tricks Esperanza into riding the tilt-a-whirl when Esperanza does not want to.
B.) When Esperanza calls for Sally to help her, Sally does not come.
C.) Esperanza trusted Sally, but she realizes that Sally and the boys have been making jokes about her behind her back.
D.) Sally promises Esperanza that she is going to start making better choices, but she doesn't actually change at all.
Atrium In the story "Red Buffoons" from the chapter "The Red Clowns," Sally deceives Esperanza. Sally ignores Esperanza's request for assistance when she hears her calling.
Esperanza blames Sally in Red Clowns, but why?Isabel says this in "Red Clowns" after being sexually abused by a bunch of lads at a carnival. Instead of condemning the boys who assaulted Sally and caused her harm and anguish, she reiterates her claim that her buddy lied.
What else does Betty do that Esperanza finds offensive?Esperanza accuses Sally of leaving her defenseless after being attacked by a bunch of boys. She is also upset with Sally for misinforming her about romance and sex. Esperanza put herself in harm's way by admiring and following Sally.
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Self Check Questions
1. Who is the “father of capitalism” and why is he given this title?
2. What is Keynesian economics?
3. According to the videos, what were the contrasting views of Keynes and Hayek?
4. Explain Friedman's views of government intervention in the economy. How are his views demonstrated in Jacob Clifford's video using “The Terminator”?
Keynesian Economics is a form of demand-side economics that encourages government action to increase and decrease demand and output.
What is the purpose of keynesian economics?Keynesian economics developed during and after the Great Depression from the ideas presented by Keynes in his 1936 book, The General Theory of Employment, Interest and Money.
Keynesian economics argues that the solution to a recession is expansionary fiscal policy, such as tax cuts to stimulate consumption and investment.
Keynesian economics is a theory that says the government should increase demand to boost growth. Keynesians believe that consumer demand is the primary driving force in an economy.
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